Stefano Stabellini
2009-Jan-13 12:17 UTC
[Xen-devel] [PATCH 1 of 4] populate guest videoram
This patch applies to xen-unstable and removes the videoram allocation
code from hvmloader, it also moves hvmloader memory base from 0xff000000
to 0xfc000000.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
diff -r 1dfc48a8c361 tools/firmware/hvmloader/config.h
--- a/tools/firmware/hvmloader/config.h Fri Jan 09 15:57:57 2009 +0000
+++ b/tools/firmware/hvmloader/config.h Fri Jan 09 17:59:04 2009 +0000
@@ -20,7 +20,7 @@
extern unsigned long pci_mem_start, pci_mem_end;
/* We reserve 16MB at the top of the 4GB memory hole. */
-#define RESERVED_MEMBASE 0xff000000
+#define RESERVED_MEMBASE 0xfc000000
#define RESERVED_MEMSIZE 0x01000000
#define ROMBIOS_SEG 0xF000
diff -r 1dfc48a8c361 tools/firmware/hvmloader/hvmloader.c
--- a/tools/firmware/hvmloader/hvmloader.c Fri Jan 09 15:57:57 2009 +0000
+++ b/tools/firmware/hvmloader/hvmloader.c Fri Jan 09 17:59:04 2009 +0000
@@ -644,7 +644,7 @@
{
int option_rom_sz = 0, vgabios_sz = 0, etherboot_sz = 0;
int rombios_sz, smbios_sz;
- uint32_t etherboot_phys_addr, option_rom_phys_addr, vga_ram = 0;
+ uint32_t etherboot_phys_addr, option_rom_phys_addr;
uint16_t xen_pfiob;
printf("HVM Loader\n");
@@ -692,12 +692,6 @@
break;
}
- if ( virtual_vga != VGA_none )
- {
- vga_ram = virt_to_phys(mem_alloc(8 << 20, 4096));
- printf("VGA RAM at %08x\n", vga_ram);
- }
-
etherboot_phys_addr = VGABIOS_PHYSICAL_ADDRESS + vgabios_sz;
if ( etherboot_phys_addr < OPTIONROM_PHYSICAL_ADDRESS )
etherboot_phys_addr = OPTIONROM_PHYSICAL_ADDRESS;
@@ -739,8 +733,6 @@
ROMBIOS_PHYSICAL_ADDRESS + rombios_sz - 1);
xen_pfiob = init_xen_platform_io_base();
- if ( xen_pfiob && vga_ram )
- outl(xen_pfiob + 4, vga_ram);
build_e820_table();
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